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-rw-r--r--doc/ScintillaDoc.html13
-rw-r--r--include/Scintilla.h3
-rw-r--r--include/Scintilla.iface9
-rw-r--r--src/Editor.cxx76
-rw-r--r--src/LineMarker.h4
-rw-r--r--src/ViewStyle.cxx2
-rw-r--r--src/ViewStyle.h1
7 files changed, 95 insertions, 13 deletions
diff --git a/doc/ScintillaDoc.html b/doc/ScintillaDoc.html
index 0139a93f7..2669de6b5 100644
--- a/doc/ScintillaDoc.html
+++ b/doc/ScintillaDoc.html
@@ -2114,6 +2114,8 @@ struct TextToFind {
colour)</a><br />
<a class="message" href="#SCI_SETSELBACK">SCI_SETSELBACK(bool useSelectionBackColour, int
colour)</a><br />
+ <a class="message" href="#SCI_SETSELALPHA">SCI_SETSELALPHA(int alpha)</a><br />
+ <a class="message" href="#SCI_GETSELALPHA">SCI_GETSELALPHA</a><br />
<a class="message" href="#SCI_SETCARETFORE">SCI_SETCARETFORE(int colour)</a><br />
<a class="message" href="#SCI_GETCARETFORE">SCI_GETCARETFORE</a><br />
<a class="message" href="#SCI_SETCARETLINEVISIBLE">SCI_SETCARETLINEVISIBLE(bool
@@ -2147,6 +2149,10 @@ struct TextToFind {
you provide is used if you set <code>useSelection*Colour</code> to <code>true</code>. If it is
set to <code>false</code>, the default colour colouring is used and the <code>colour</code>
argument has no effect.</p>
+ <p><b id="SCI_SETSELALPHA">SCI_SETSELALPHA(int <a class="jump" href="#alpha">alpha</a>)</b><br />
+ <b id="SCI_GETSELALPHA">SCI_GETSELALPHA</b><br />
+ The selection background can be drawn translucently in the selection background colour by
+ setting an alpha value.</p>
<p><b id="SCI_SETCARETFORE">SCI_SETCARETFORE(int <a class="jump"
href="#colour">colour</a>)</b><br />
@@ -2617,6 +2623,8 @@ struct TextToFind {
colour)</a><br />
<a class="message" href="#SCI_MARKERSETBACK">SCI_MARKERSETBACK(int markerNumber, int
colour)</a><br />
+ <a class="message" href="#SCI_MARKERSETALPHA">SCI_MARKERSETALPHA(int markerNumber, int
+ alpha)</a><br />
<a class="message" href="#SCI_MARKERADD">SCI_MARKERADD(int line, int markerNumber)</a><br />
<a class="message" href="#SCI_MARKERADDSET">SCI_MARKERADDSET(int line, int markerMask)</a><br />
<a class="message" href="#SCI_MARKERDELETE">SCI_MARKERDELETE(int line, int
@@ -2790,6 +2798,11 @@ struct TextToFind {
<b id="SCI_MARKERSETBACK">SCI_MARKERSETBACK(int markerNumber, int <a class="jump"
href="#colour">colour</a>)</b><br />
These two messages set the foreground and background colour of a marker number.</p>
+ <p><b id="SCI_MARKERSETALPHA">SCI_MARKERSETALPHA(int markerNumber, int <a class="jump"
+ href="#alpha">alpha</a>)</b><br />
+ When markers are drawn in the content area, either because there is no margin for them or
+ they are of SC_MARK_BACKGROUND type, they may be drawn translucently by
+ setting an alpha value.</p>
<p><b id="SCI_MARKERADD">SCI_MARKERADD(int line, int markerNumber)</b><br />
This message adds marker number <code>markerNumber</code> to a line. The message returns -1 if
diff --git a/include/Scintilla.h b/include/Scintilla.h
index 035ca04fa..5d2adb218 100644
--- a/include/Scintilla.h
+++ b/include/Scintilla.h
@@ -138,6 +138,7 @@ typedef sptr_t (*SciFnDirect)(sptr_t ptr, unsigned int iMessage, uptr_t wParam,
#define SCI_MARKERPREVIOUS 2048
#define SCI_MARKERDEFINEPIXMAP 2049
#define SCI_MARKERADDSET 2466
+#define SCI_MARKERSETALPHA 2476
#define SC_MARGIN_SYMBOL 0
#define SC_MARGIN_NUMBER 1
#define SCI_SETMARGINTYPEN 2240
@@ -196,6 +197,8 @@ typedef sptr_t (*SciFnDirect)(sptr_t ptr, unsigned int iMessage, uptr_t wParam,
#define SCI_STYLESETHOTSPOT 2409
#define SCI_SETSELFORE 2067
#define SCI_SETSELBACK 2068
+#define SCI_GETSELALPHA 2477
+#define SCI_SETSELALPHA 2478
#define SCI_SETCARETFORE 2069
#define SCI_ASSIGNCMDKEY 2070
#define SCI_CLEARCMDKEY 2071
diff --git a/include/Scintilla.iface b/include/Scintilla.iface
index d0f9f885d..9a0795f72 100644
--- a/include/Scintilla.iface
+++ b/include/Scintilla.iface
@@ -316,6 +316,9 @@ fun void MarkerDefinePixmap=2049(int markerNumber, string pixmap)
# Add a set of markers to a line.
fun void MarkerAddSet=2466(int line, int set)
+# Set the alpha used for a marker that is drawn in the text area, not the margin.
+fun void MarkerSetAlpha=2476(int markerNumber, int alpha)
+
enu MarginType=SC_MARGIN_
val SC_MARGIN_SYMBOL=0
val SC_MARGIN_NUMBER=1
@@ -431,6 +434,12 @@ fun void SetSelFore=2067(bool useSetting, colour fore)
# Set the background colour of the selection and whether to use this setting.
fun void SetSelBack=2068(bool useSetting, colour back)
+# Get the alpha of the selection.
+get int GetSelAlpha=2477(,)
+
+# Set the alpha of the selection.
+set void SetSelAlpha=2478(int alpha,)
+
# Set the foreground colour of the caret.
set void SetCaretFore=2069(colour fore,)
diff --git a/src/Editor.cxx b/src/Editor.cxx
index 9b20bfa2d..54a461eff 100644
--- a/src/Editor.cxx
+++ b/src/Editor.cxx
@@ -2153,7 +2153,7 @@ void Editor::LayoutLine(int line, Surface *surface, ViewStyle &vstyle, LineLayou
ColourAllocated Editor::TextBackground(ViewStyle &vsDraw, bool overrideBackground,
ColourAllocated background, bool inSelection, bool inHotspot, int styleMain, int i, LineLayout *ll) {
if (inSelection) {
- if (vsDraw.selbackset) {
+ if (vsDraw.selbackset && (vsDraw.selAlpha == SC_ALPHA_NOALPHA)) {
if (primarySelection)
return vsDraw.selbackground.allocated;
else
@@ -2241,7 +2241,7 @@ void Editor::DrawEOL(Surface *surface, ViewStyle &vsDraw, PRectangle rcLine, Lin
bool eolInSelection = (subLine == (ll->lines - 1)) &&
(posLineEnd > ll->selStart) && (posLineEnd <= ll->selEnd) && (ll->selStart != ll->selEnd);
- if (eolInSelection && vsDraw.selbackset && (line < pdoc->LinesTotal() - 1)) {
+ if (eolInSelection && vsDraw.selbackset && (vsDraw.selAlpha == SC_ALPHA_NOALPHA) && (line < pdoc->LinesTotal() - 1)) {
if (primarySelection)
surface->FillRectangle(rcSegment, vsDraw.selbackground.allocated);
else
@@ -2277,6 +2277,12 @@ void Editor::DrawEOL(Surface *surface, ViewStyle &vsDraw, PRectangle rcLine, Lin
}
}
+static void SimpleAlphaRectangle(Surface *surface, PRectangle rc, ColourAllocated fill, int alpha) {
+ if (alpha != SC_ALPHA_NOALPHA) {
+ surface->AlphaRectangle(rc, 0, fill, alpha, fill, alpha, 0);
+ }
+}
+
void Editor::DrawLine(Surface *surface, ViewStyle &vsDraw, int line, int lineVisible, int xStart,
PRectangle rcLine, LineLayout *ll, int subLine) {
@@ -2302,7 +2308,8 @@ void Editor::DrawLine(Surface *surface, ViewStyle &vsDraw, int line, int lineVis
if (!overrideBackground) {
int marks = pdoc->GetMark(line);
for (int markBit = 0; (markBit < 32) && marks; markBit++) {
- if ((marks & 1) && vsDraw.markers[markBit].markType == SC_MARK_BACKGROUND) {
+ if ((marks & 1) && (vsDraw.markers[markBit].markType == SC_MARK_BACKGROUND) &&
+ (vsDraw.markers[markBit].alpha == SC_ALPHA_NOALPHA)) {
background = vsDraw.markers[markBit].back.allocated;
overrideBackground = true;
}
@@ -2311,14 +2318,15 @@ void Editor::DrawLine(Surface *surface, ViewStyle &vsDraw, int line, int lineVis
}
if (!overrideBackground) {
if (vsDraw.maskInLine) {
- int marks = pdoc->GetMark(line) & vsDraw.maskInLine;
- if (marks) {
- for (int markBit = 0; (markBit < 32) && marks; markBit++) {
- if ((marks & 1) && (vsDraw.markers[markBit].markType != SC_MARK_EMPTY)) {
+ int marksMasked = pdoc->GetMark(line) & vsDraw.maskInLine;
+ if (marksMasked) {
+ for (int markBit = 0; (markBit < 32) && marksMasked; markBit++) {
+ if ((marksMasked & 1) && (vsDraw.markers[markBit].markType != SC_MARK_EMPTY) &&
+ (vsDraw.markers[markBit].alpha == SC_ALPHA_NOALPHA)) {
overrideBackground = true;
background = vsDraw.markers[markBit].back.allocated;
}
- marks >>= 1;
+ marksMasked >>= 1;
}
}
}
@@ -2646,6 +2654,16 @@ void Editor::DrawLine(Surface *surface, ViewStyle &vsDraw, int line, int lineVis
xStart, subLine, subLineStart, overrideBackground, background,
drawWrapMarkEnd, vsDraw.whitespaceForeground.allocated);
}
+ if ((vsDraw.selAlpha != SC_ALPHA_NOALPHA) && (ll->selStart >= 0) && (ll->selEnd >= 0)) {
+ int startPosSel = (ll->selStart < posLineStart) ? posLineStart : ll->selStart;
+ int endPosSel = (ll->selEnd < (lineEnd + posLineStart)) ? ll->selEnd : (lineEnd + posLineStart);
+ if (startPosSel < endPosSel) {
+ rcSegment.left = xStart + ll->positions[startPosSel - posLineStart] - subLineStart;
+ rcSegment.right = xStart + ll->positions[endPosSel - posLineStart] - subLineStart;
+ SimpleAlphaRectangle(surface, rcSegment,
+ primarySelection ? vsDraw.selbackground.allocated : vsDraw.selbackground2.allocated, vsDraw.selAlpha);
+ }
+ }
if (vsDraw.edgeState == EDGE_LINE) {
int edgeX = theEdge * vsDraw.spaceWidth;
@@ -2654,11 +2672,29 @@ void Editor::DrawLine(Surface *surface, ViewStyle &vsDraw, int line, int lineVis
surface->FillRectangle(rcSegment, vsDraw.edgecolour.allocated);
}
- if (caret.active && vsDraw.showCaretLineBackground && (vsDraw.caretLineAlpha != SC_ALPHA_NOALPHA) && ll->containsCaret) {
- rcSegment.left = xStart;
- rcSegment.right = rcLine.right - 1;
- surface->AlphaRectangle(rcSegment, 0, vsDraw.caretLineBackground.allocated, vsDraw.caretLineAlpha,
- vsDraw.caretLineBackground.allocated, vsDraw.caretLineAlpha, 0);
+ // Draw any translucent whole line states
+ rcSegment.left = xStart;
+ rcSegment.right = rcLine.right - 1;
+ if (caret.active && vsDraw.showCaretLineBackground && ll->containsCaret) {
+ SimpleAlphaRectangle(surface, rcSegment, vsDraw.caretLineBackground.allocated, vsDraw.caretLineAlpha);
+ }
+ int marks = pdoc->GetMark(line);
+ for (int markBit = 0; (markBit < 32) && marks; markBit++) {
+ if ((marks & 1) && (vsDraw.markers[markBit].markType == SC_MARK_BACKGROUND)) {
+ SimpleAlphaRectangle(surface, rcSegment, vsDraw.markers[markBit].back.allocated, vsDraw.markers[markBit].alpha);
+ }
+ marks >>= 1;
+ }
+ if (vsDraw.maskInLine) {
+ int marksMasked = pdoc->GetMark(line) & vsDraw.maskInLine;
+ if (marksMasked) {
+ for (int markBit = 0; (markBit < 32) && marksMasked; markBit++) {
+ if ((marksMasked & 1) && (vsDraw.markers[markBit].markType != SC_MARK_EMPTY)) {
+ SimpleAlphaRectangle(surface, rcSegment, vsDraw.markers[markBit].back.allocated, vsDraw.markers[markBit].alpha);
+ }
+ marksMasked >>= 1;
+ }
+ }
}
}
@@ -3089,6 +3125,7 @@ long Editor::FormatRange(bool draw, RangeToFormat *pfr) {
// Don't show the selection when printing
vsPrint.selbackset = false;
vsPrint.selforeset = false;
+ vsPrint.selAlpha = SC_ALPHA_NOALPHA;
vsPrint.whitespaceBackgroundSet = false;
vsPrint.whitespaceForegroundSet = false;
vsPrint.showCaretLineBackground = false;
@@ -6512,6 +6549,11 @@ sptr_t Editor::WndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam) {
InvalidateStyleData();
RedrawSelMargin();
break;
+ case SCI_MARKERSETALPHA:
+ if (wParam <= MARKER_MAX)
+ vs.markers[wParam].alpha = lParam;
+ InvalidateStyleRedraw();
+ break;
case SCI_MARKERADD: {
int markerID = pdoc->AddMark(wParam, lParam);
return markerID;
@@ -6850,6 +6892,14 @@ sptr_t Editor::WndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam) {
InvalidateStyleRedraw();
break;
+ case SCI_SETSELALPHA:
+ vs.selAlpha = wParam;
+ InvalidateStyleRedraw();
+ break;
+
+ case SCI_GETSELALPHA:
+ return vs.selAlpha;
+
case SCI_SETWHITESPACEFORE:
vs.whitespaceForegroundSet = wParam != 0;
vs.whitespaceForeground.desired = ColourDesired(lParam);
diff --git a/src/LineMarker.h b/src/LineMarker.h
index ef5924f75..8ebdce491 100644
--- a/src/LineMarker.h
+++ b/src/LineMarker.h
@@ -15,11 +15,13 @@ public:
int markType;
ColourPair fore;
ColourPair back;
+ int alpha;
XPM *pxpm;
LineMarker() {
markType = SC_MARK_CIRCLE;
fore = ColourDesired(0,0,0);
back = ColourDesired(0xff,0xff,0xff);
+ alpha = SC_ALPHA_NOALPHA;
pxpm = NULL;
}
LineMarker(const LineMarker &) {
@@ -27,6 +29,7 @@ public:
markType = SC_MARK_CIRCLE;
fore = ColourDesired(0,0,0);
back = ColourDesired(0xff,0xff,0xff);
+ alpha = SC_ALPHA_NOALPHA;
pxpm = NULL;
}
~LineMarker() {
@@ -37,6 +40,7 @@ public:
markType = SC_MARK_CIRCLE;
fore = ColourDesired(0,0,0);
back = ColourDesired(0xff,0xff,0xff);
+ alpha = SC_ALPHA_NOALPHA;
delete pxpm;
pxpm = NULL;
return *this;
diff --git a/src/ViewStyle.cxx b/src/ViewStyle.cxx
index f221af193..930427bb8 100644
--- a/src/ViewStyle.cxx
+++ b/src/ViewStyle.cxx
@@ -73,6 +73,7 @@ ViewStyle::ViewStyle(const ViewStyle &source) {
selbackset = source.selbackset;
selbackground.desired = source.selbackground.desired;
selbackground2.desired = source.selbackground2.desired;
+ selAlpha = source.selAlpha;
foldmarginColourSet = source.foldmarginColourSet;
foldmarginColour.desired = source.foldmarginColour.desired;
@@ -141,6 +142,7 @@ void ViewStyle::Init() {
selbackset = true;
selbackground.desired = ColourDesired(0xc0, 0xc0, 0xc0);
selbackground2.desired = ColourDesired(0xb0, 0xb0, 0xb0);
+ selAlpha = SC_ALPHA_NOALPHA;
foldmarginColourSet = false;
foldmarginColour.desired = ColourDesired(0xff, 0, 0);
diff --git a/src/ViewStyle.h b/src/ViewStyle.h
index 90d50b1fb..d0cb87f21 100644
--- a/src/ViewStyle.h
+++ b/src/ViewStyle.h
@@ -53,6 +53,7 @@ public:
bool selbackset;
ColourPair selbackground;
ColourPair selbackground2;
+ int selAlpha;
bool whitespaceForegroundSet;
ColourPair whitespaceForeground;
bool whitespaceBackgroundSet;
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 14:20:39 +0000